Nelson — Water Temperature in April

Water Temperature Range

15°C

minimum

18°C

average

20°C

maximum

Water Temperature Chart for April

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

	2026	2025	2024	2023
APR 1	16°C	20°C	18°C	18°C
APR 2	16°C	20°C	18°C	18°C
APR 3	17°C	19°C	18°C	18°C
APR 4	16°C	19°C	19°C	18°C
APR 5	16°C	19°C	19°C	18°C
APR 6	16°C	19°C	18°C	17°C
APR 7	16°C	19°C	18°C	18°C
APR 8	16°C	19°C	18°C	18°C
APR 9	16°C	18°C	19°C	17°C
APR 10	16°C	18°C	18°C	17°C
APR 11	16°C	17°C	18°C	17°C
APR 12	16°C	18°C	17°C	18°C
APR 13	16°C	18°C	18°C	17°C
APR 14	16°C	18°C	17°C	17°C
APR 15	16°C	18°C	17°C	17°C
APR 16	16°C	18°C	17°C	17°C
APR 17	16°C	17°C	17°C	17°C
APR 18	16°C	18°C	17°C	17°C
APR 19	16°C	17°C	17°C	17°C
APR 20	16°C	18°C	18°C	16°C
APR 21	16°C	18°C	17°C	17°C
APR 22	16°C	18°C	17°C	17°C
APR 23	16°C	17°C	17°C	16°C
APR 24	16°C	18°C	17°C	16°C
APR 25	16°C	17°C	16°C	16°C
APR 26	16°C	17°C	17°C	16°C
APR 27	17°C	17°C	17°C	16°C
APR 28	17°C	18°C	16°C	16°C
APR 29	16°C	18°C	16°C	16°C
APR 30	17°C	18°C	16°C	16°C

Climate and Swimming Opportunities in Nelson in April

Average Day Air Temperature

20°C

Average Night Air Temperature

11°C

Precipitation Amount per Month

43 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

5 hrs

Average Wind Speed

19 km/h

Average Humidity

64%

At such water and air temperatures, swimming feels cool and invigorating. It’s comfortable for a quick dip, and you’ll feel fine as long as you warm up soon after.